Stainless Valved Catback Exhaust for Porsche Boxster Cayman 981
Upgrade the sound and performance of your Porsche Boxster S or Cayman S 987 / 987.1 3.4L with the STRATEC Valved T304 Stainless Catback Exhaust System, engineered to enhance exhaust flow while retaining driver‑controlled sound flexibility.
Constructed from premium SS304 stainless steel, this system reduces factory backpressure to improve throttle response and mid‑range power while delivering a sharper, more aggressive flat‑six exhaust note. The integrated valve system allows you to switch between refined cruising and full race sound on demand.
Precision engineered for direct bolt‑on installation, this STRATEC catback maintains proper factory fitment while providing a bold motorsport character.
Sound Control
Valves Closed
Smooth, refined exhaust tone suitable for daily driving with minimal cabin drone.
Valves Open
Loud, aggressive flat‑six performance sound with enhanced throttle response and pronounced high‑RPM character.
Performance Engineering
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Premium T304 stainless steel construction
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Valved muffler system (driver controlled)
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Reduced backpressure for improved throttle response
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Enhanced mid‑range and top‑end performance
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Mandrel bent performance piping
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Precision TIG welded craftsmanship
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Direct bolt‑on installation
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No cutting or permanent modifications required
Fitment
Porsche Boxster S 987 / 987.1 – 3.4L NA Flat‑Six
Porsche Cayman S 987 / 987.1 – 3.4L NA Flat‑Six
Model Years 2004–2008
Pairs well with
Ships within 1-2 business days.
Free shipping & returns
Stainless Valved Catback Exhaust for Porsche Boxster Cayman 981
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.